Senior Fullstack Developer Python

About the role

As a Senior Fullstack Developer, you will build AI flows/agents with Langflow (Python) to support innovative projects at the Customer

Work model: Hybrid

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 2 days a week in a client (São José dos Campos) or Cognizant office (São Paulo). Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered

• Solid Python engineering and backend API development
• LLM workflow/agent orchestration using frameworks or orchestration tools
• Work with LLM providers (prompts, structured outputs, tool/function calling)
• Design and implementation of retrieval/search pipelines (loaders, embeddings, vector search)
• Enterprise integrations (REST/GraphQL, webhooks, internal systems)
• Proficiency with Git in collaborative workflows (branching strategies, pull requests/code reviews, conflict resolution)
• Experience with Jira issue types and Scrum/Kanban boards
• Advanced English communication skills (mandatory)
• Strong collaboration and team mindset; clear documentation and ownership

These will help you stand out

These will help you stand out:

• Frontend experience (React/Next.js) to connect UIs to flows

• Basic DevOps/cloud exposure (containers, CI/CD, deployments)

• Ecosystem familiarity (LangChain/LlamaIndex, multi-agent patterns)
• Document processing/search and multilingual use cases

Please, upload your resume in English.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.